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-rw-r--r--sys/dev/esp/esp_sbus.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/esp/esp_sbus.c b/sys/dev/esp/esp_sbus.c
index eb32f1d..ba8f382 100644
--- a/sys/dev/esp/esp_sbus.c
+++ b/sys/dev/esp/esp_sbus.c
@@ -193,8 +193,12 @@ esp_sbus_attach(device_t dev)
node = ofw_bus_get_node(dev);
if (OF_getprop(node, "initiator-id", &sc->sc_id,
sizeof(sc->sc_id)) == -1)
- sc->sc_id = 7;;
- sc->sc_freq = sbus_get_clockfreq(dev);
+ sc->sc_id = 7;
+ if (OF_getprop(node, "clock-frequency", &sc->sc_freq,
+ sizeof(sc->sc_freq)) == -1) {
+ printf("failed to query OFW for clock-frequency\n");
+ sc->sc_freq = sbus_get_clockfreq(dev);
+ }
#ifdef ESP_SBUS_DEBUG
device_printf(dev, "espattach_sbus: sc_id %d, freq %d\n",
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